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Vinu Patel

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last 3 solved tasks
What 5-digit number satisfies the following requirements? 1. No zeroes; 2. First two digits are the same; 3. Fourth digit is twice the first; 4. Last digit is twice the third; 5. Sum of all digits is 18

Venetian blind patent

In 1841, the first U.S. patent for a venetian blind was issued to John Hampson of New Orleans, Louisiana on a "manner of retaining in any desired position the slats of Venetian Blinds" (No. 2223) It is said the first U.S. installation of Venetian blinds was in 1761 in St. Peter's Church, Third and Pine streets, Philadelphia, Pennsylvania.

A man was seen fleeing down th...

A man was seen fleeing down the hall of the hospital just before his operation.
"What's the matter?" he was asked.
He said, "I heard the nurse say, 'It's a very simple operation, don't worry, I'm sure it will be all right.'"
"She was just trying to comfort you, what's so frightening about that?"
"She wasn't talking to me. She was talking to the doctor."
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